Johnson, J.L. <br/><br/>
Tin and silver recovery from Coal Creek, AK 

 - Washington, D.C.  U.S. Bureau of Mines  1991 
 - 21 p. 
 - Edición especial .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTAÑO<br/>PLATA<br/>RECUPERACION